2,6(1H,3H)-Pyridinedione, 3-(1,6-dihydro-5-hydroxy-2,6-dioxo-3(2H)-pyridinylidene)-5-hydroxy-

(3E)-5-Hydroxy-3-(5-hydroxy-2,6-dioxo-1,6-dihydro-3(2H)-pyridinyliden)-2,6(1H,3H)-pyridindion

(3E)-5-Hydroxy-3-(5-hydroxy-2,6-dioxo-1,6-dihydro-3(2H)-pyridinylidene)-2,6(1H,3H)-pyridinedione

(3E)-5-Hydroxy-3-(5-hydroxy-2,6-dioxo-1,6-dihydro-3(2H)-pyridinylidène)-2,6(1H,3H)-pyridinedione

2,6(1H,3H)-Pyridinedione, 3-(1,6-dihydro-5-hydroxy-2,6-dioxo-3(2H)-pyridinylidene)-5-hydroxy-

2,6(1H,3H)-Pyridinedione, 3-(1,6-dihydro-5-hydroxy-2,6-dioxo-3(2H)-pyridinylidene)-5-hydroxy-, (3E)-

(3E)-5-hydroxy-3-(5-hydroxy-2,6-dioxo-1,6-dihydropyridin-3(2H)-ylidene)pyridine-2,6(1H,3H)-dione; (5E)-5-(2,5-dihydroxy-6-oxopyridin-3(6H)-ylidene)-3,6-dihydroxypyridin-2(5H)-one

(E)-2,2′,5,5′-tetrahydroxy-6H,6′H-[3,3′-bipyridinylidene]-6,6′-dione

2435-60-1

Blue pigment

Diazodiphenoquinone

nicotine blue